Hummer H2 (2008 – 2010) Fuse Box Location & Diagrams
The Hummer H2 (2008–2010) fuse box contains essential fuses and relays that protect the vehicle’s electrical systems. This blog covers fuse box locations, fuse assignments, and diagrams to help you quickly identify the correct fuse for lighting, accessories, power systems, and other electrical components.
Fuse Box Location
Passenger Compartment Fuse Box
The Instrument Panel Fuse Box is located behind the cover at the driver’s-side edge of the instrument panel. Pull off the cover to access the fuse block.
Engine Compartment Fuse Box
Fuse Box Diagrams
Passenger Compartment Fuse Box
Main Fuse Box
| Name | Description |
|---|---|
| AUX PWR | Rear Cargo Accessory Power Outlets |
| AUX PWR 2 | Floor Console Power Outlets |
| BCM | Body Control Module |
| CTSY | Dome Lamps, Front Passenger Side Turn Signal |
| DDM | Driver Door Module |
| DIM | Instrument Panel Back Lighting |
| DSM | Drive Seat Module |
| INFO | Infotainment System, Remote Keyless Entry System |
| IS LPS | Interior Lamps |
| LCK1 | Power Door Lock 1 (Lock Feature) |
| LCK2 | Power Door Lock 2 (Lock Feature) |
| LT DR | Driver Side Power Window Circuit Breaker |
| LT STOP TRN | Driver Side Turn Signal, Stoplamp |
| ONSTAR | OnStar |
| PDM | Passenger Door Module |
| REAR HVAC | Rear Climate Controls |
| REAR SEAT | Rear Seats |
| REAR WPR | Rear Wiper |
| RT STOP TRN | Passenger Side Turn Signal, Stoplamp |
| STOP LAMPS | Stoplamps, Center High-Mounted Stoplamp |
| SWC BKLT | Steering Wheel Controls Backlight |
| UGDO | Universal Home Remote System |
| UNLCK1 | Power Door Lock 1 (Unlock Feature) |
| UNLCK2 | Power Door Lock 2 (Unlock Feature) |
| Harness Connector | |
| LT DR | Driver Door Harness Connection |
| BODY | Harness Connector |
| BODY | Harness Connector |
Instrument Panel Fuse Block
It is located underneath the instrument panel, to the left of the steering column.
| Name | Description |
|---|---|
| Harness Connectors: | |
| BODY 2 | Body Harness Connector 2 |
| BODY 1 | Body Harness Connector 1 |
| BODY 3 | Body Harness Connector 3 |
| HEADLINER 3 | Headliner Harness Connector 3 |
| HEADLINER 2 | Headliner Harness Connector 2 |
| HEADLINER 1 | Headliner Harness Connector 1 |
| SEO/UPFITTER | Special Equipment Option Upfitter Harness Connector |
| Circuit Breakers: | |
| CB1 | Passenger Side Power Window |
| CB2 | Passenger Seat |
| CB3 | Driver Seat |
| CB4 | Rear Sliding Window |
Engine Compartment Fuse Box
| № | Description |
|---|---|
| 1 | Left Trailer Stop/Turn Lamp |
| 2 | Engine Controls |
| 3 | Engine Control Module, Throttle Control |
| 4 | Right Trailer Stop/Turn Lamp |
| 5 | Front Washer |
| 6 | Oxygen Sensors |
| 7 | Vehicle Stability System, Antilock Brake System-2 |
| 8 | Trailer Back-up Lamps |
| 9 | Left Low-Beam Headlamp |
| 10 | Engine Control Module (Battery) |
| 11 | Fuel Injectors, Ignition Coils (Right Side) |
| 12 | Transmission Control Module (Battery) |
| 13 | Vehicle Back-up Lamps |
| 14 | Right Low-Beam Headlamp |
| 15 | Air Conditioning Compressor |
| 16 | Oxygen Sensors |
| 17 | Transmission Controls (Ignition) |
| 18 | Fuel Pump |
| 19 | Rear Washer |
| 20 | Fuel Injectors, Ignition Coils (Left Side) |
| 21 | Trailer Park Lamps |
| 22 | Left Park Lamps |
| 23 | Right Park Lamps |
| 24 | Horn |
| 25 | Right Side High-Beam Headlamp |
| 26 | Daytime Running Lamps (DRL) |
| 27 | Left High-Beam Headlamp |
| 28 | Sunroof |
| 29 | Key Ignition System, Theft Deterrent System |
| 30 | Windshield Wiper |
| 31 | SEO B2 Upfitter Usage (Battery) |
| 32 | Electrically Controlled Air Suspension |
| 33 | Climate Controls (Battery) |
| 34 | Airbag System (Ignition) |
| 35 | Amplifier |
| 36 | Audio System |
| 37 | Miscellaneous (Ignition), Cruise Control, Rear Vision Camera |
| 38 | Airbag System (Battery) |
| 39 | Instrument Panel Cluster |
| 40 | Run, Accessory |
| 41 | Auxiliary Climate Control (Ignition) |
| 42 | Rear Defogger |
| 43 | SEO B1 Upfitter Usage (Battery) |
| 44 | Cigarette Lighter, Auxiliary Power Outlet |
| 45 | Special Equipment Option (SEO) |
| 46 | Climate Controls (Ignition) |
| 47 | Engine Control Module (Ignition) |
| 50 | Cooling Fan 1 (J-Case) |
| 51 | Electronically Controlled Air Suspension (J-Case) |
| 52 | Vehicle Stability System, Antilock Brake System-1 (J-Case) |
| 53 | Cooling Fan 2 (J-Case) |
| 54 | Starter (J-Case) |
| 55 | Stud 2 Trailer Brake Module (J-Case) |
| 56 | Left Bussed Electrical Center 1 (J-Case) |
| 57 | Heated Windshield Washer System (J-Case) |
| 58 | Four-Wheel Drive System (J-Case) |
| 59 | Stud 1 Trailer Connector Battery Power (J-Case) |
| 60 | Mid Bussed Electrical Center 1 (J-Case) |
| 61 | Climate Control Blower (J-Case) |
| 62 | Left Bussed Electrical Center 2 (J-Case) |
| Relays | |
| FAN HI | Cooling Fan High Speed |
| FAN LO | Cooling Fan Low Speed |
| FAN CNTRL | Cooling Fan Control |
| HDLP LO | Low-Beam Headlamp |
| A/C CMPRSR | Air Conditioning Compressor |
| STRTR | Starter |
| PWR/TRN | Powertrain |
| PRK LAMP | Parking Lamps |
| REAR DEFOG | Rear Defogger |
| RUN/CRNK | Switched Power |
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